Home / 53,859.97-80,826.86-18,799.62

Finding the Fourth Proportional to 53,859.97, 80,826.86 and 18,799.62

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Solution

The fourth proportional to 53,859.97, 80,826.86 and 18,799.62 is: 28,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859.97 : 80,826.86 = 18,799.62 : x
  2. Step 2: Convert to fraction form
    53,859.97/80,826.86 = 18,799.62/x
  3. Step 3: Cross multiply
    53,859.97x = 80,826.86 × 18,799.62
  4. Step 4: Simplify right side
    53,859.97x = 1,519,514,253.79
  5. Step 5: Solve for x
    x = 1,519,514,253.79/53,859.97
  6. Step 6: Final answer
    x = 28,212.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.